The controller receives conflicting signals (e.g., both "Door Open" and "Door Closed" switches active simultaneously). 3. Drive and Inverter Faults (F21 / F23 Series)
Located on the main control board in the controller cabinet. schindler 5500 error codes
Whether you’re a technician troubleshooting a shutdown or a building manager trying to understand why a car is stuck on “diagnostic,” this guide will help you decode the most common Schindler 5500 fault codes. The controller receives conflicting signals (e